Software
Webitel can be installed using any 64-bit Linux distrubution that uses kernel version 3.16 and up, Docker 18.03 and up and docker-compose 1.20.
Recommended distributions
File system
- EXT4 - can be used as the primary file system for installations under 50 users
- XFS - recommended for use if the number of users is greater than 50
Hardware
Webitel can be installed using both virtual machines and dedicated ( physical ) servers.
List of compatible (tested) virtual machines:
- Microsoft HyperV 2008 R2 and up
- Citrix XenServer 7.0 and up
- Amazon AWS
- Google Cloud Engine Instance
- DigitalOcean
Hardware requirements depend on a list of factors:
- Number of simultaneous calls
- Usage of call recordings
- Usage of Text-to-Speech feature
- Dialer usage
You may find the minimal requirements in the tables below. Please contact one of Webitel managers for more specific information.
Up to 20 users
Hardware | Minimal requirements |
|---|---|
| Number of servers | 1 |
| CPU | Intel Core i3 |
| RAM | 8 Gb |
| HDD | 500 Gb |
Between 20 and 50 users
Hardware | Minimal requirements |
|---|---|
| Number of servers | 1 |
| CPU | Intel Core i5 |
| RAM | 16 Gb |
| HDD | 500 Gb x 2 (RAID1) |
Between 50 and 100 users
Hardware | Minimal requirements |
|---|---|
| Number of servers | 1 |
| CPU | Intel Core i7 |
| RAM | 24 Gb |
| HDD | 500 Gb x 2 (RAID1) |
Between 100 and 500 users
Hardware | Minimal requirements |
|---|---|
| Number of servers | 1 - 2 |
| CPU | Intel Xeon E5 or newer |
| RAM | 32 Gb |
| HDD | 1000 Gb x 2 (RAID1) |
More than 500 users
Hardware | Minimal requirements |
|---|---|
| Number of servers | 3 - 5 |
| CPU | Intel Xeon E5 or newer |
| RAM | >= 24 Gb |
| HDD | 1000 Gb x 2 (RAID1) |
Connection requirements
Local network
- Proper routing configuration for PCs and SIP devices to the Webitel server;
- Port speed should be at least 100 Mbps;
- Average result of "ping" between user's PC and Webitel server should be below 150ms;
- Packet Loss should be below 5%;
- Jitter should stay lower than 80 мс;
- LAN should not include equipment that blocks or modifies the network packets that transmit voice.
Internet connection
- Requirements for ping, Packet Loss, Jitter are the same as the LAN ones;
- In order to set up proper sound quality using G.711, G.722, OPUS or speex codecs, each user needs to have access to full duplex channel with 88-256 kbps port speed;
- When using G.729A, G.726, GSM or iLBC codecs each user needs channel with 88-256 kbps port speed;
- Port speed should be between 256 and 2048 kbps in order to be able to use video conferences, depending on the video quality (codecs VP8, VP9, H263, H264).